Package com.microej.crypto.internal.mac

Class NativeMacSpi

  • public class NativeMacSpi
extends java.lang.Object

    • Constructor Summary

      Constructors 
      Constructor Description
      NativeMacSpi()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static void nativeClose​(int nativeAlgorithmId, int nativeId)  
      static void nativeDoFinal​(int AlgorithmId, int id, byte[] out, int offset, int length)  
      static int nativeGetAlgorithmDescription​(byte[] algorithmBytes, byte[] description)
      Gets for the given algorithm the message digest description.
      static int nativeGetCloseId​(int nativeAlgorithmId)
      Gets the id of the native close function.
      static int nativeInit​(int AlgorithmId, byte[] secretKey, int secretKeyLength)
      Throw Exception on error.
      static void nativeReset​(int AlgorithmId, int id)  
      static void nativeUpdate​(int AlgorithmId, int id, byte[] buffer, int offset, int length)  

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • NativeMacSpi

        public NativeMacSpi()

    • Method Detail

      • nativeGetAlgorithmDescription

        public static int nativeGetAlgorithmDescription​(byte[] algorithmBytes,
                                                byte[] description)
        Gets for the given algorithm the message digest description.

        description must be filled-in with:

        • [0-3]: macLength: length of the message digest in bytes
        Parameters:
        algorithmBytes - Null terminated string that describes the algorithm
        description - the output buffer to fill in (see above).
        Returns:
        algorithm ID on success or -1 on error.

      • nativeInit

        public static int nativeInit​(int AlgorithmId,
                             byte[] secretKey,
                             int secretKeyLength)
                      throws java.lang.Exception
        Throw Exception on error. Returns a Id.
        Throws:
        java.lang.Exception

      • nativeUpdate

        public static void nativeUpdate​(int AlgorithmId,
                                int id,
                                byte[] buffer,
                                int offset,
                                int length)
                         throws java.lang.Exception
        Parameters:
        AlgorithmId - the algorithm id
        id - the native resource id
        Throws:
        java.lang.Exception - on error

      • nativeDoFinal

        public static void nativeDoFinal​(int AlgorithmId,
                                 int id,
                                 byte[] out,
                                 int offset,
                                 int length)
                          throws java.lang.Exception
        Parameters:
        AlgorithmId - the algorithm id
        id - the native resource id
        Throws:
        java.lang.Exception - on error

      • nativeReset

        public static void nativeReset​(int AlgorithmId,
                               int id)
                        throws java.lang.Exception
        Parameters:
        AlgorithmId - the algorithm id
        id - the native resource id
        Throws:
        java.lang.Exception - on error

      • nativeClose

        public static void nativeClose​(int nativeAlgorithmId,
                               int nativeId)
                        throws ej.sni.NativeException,
                               java.lang.IllegalArgumentException
        Parameters:
        nativeAlgorithmId - the algorithm id
        nativeId - the native resource id
        Throws:
        ej.sni.NativeException - on error
        java.lang.IllegalArgumentException - if nativeId does not match a registered native resource

      • nativeGetCloseId

        public static int nativeGetCloseId​(int nativeAlgorithmId)
                            throws ej.sni.NativeException
        Gets the id of the native close function.
        Parameters:
        nativeAlgorithmId - ID of the algorithm
        Returns:
        the id of the static native close function
        Throws:
        ej.sni.NativeException